// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.

// Test that `for` loops don't introduce artificial
// constraints on the type of the binding (`i`).
// Subtle changes in the desugaring can cause the
// type of elements in the vector to (incorrectly)
// fallback to `!` or `()`.

fn main() {
    for i in Vec::new() { } //~ ERROR type annotations needed
}
